JP6598657B2 - Container with lid - Google Patents

Description

  The present invention relates to a lidded container that can be easily opened from a container body.

The container with a lid described in Patent Document 1 below has an engagement protrusion 6 provided on the entire periphery of the upper edge of the peripheral side part 5 that forms an opening in the container main body 2, and a hinge part 7 a on the peripheral side part 5. A tab 7 that rotates as a fulcrum and a projection 9 formed in the vicinity of the hinge 7a of the tab 7 are provided, and a locking recess that can be fitted into the engagement projection 6 of the container body 2 on the lid 3. 13 and a skirt portion 14 extending from the locking recess 13 is provided.
When the tab 7 is rotated with the hinge 7a as a fulcrum in the closed state, the projection 9 pushes the skirt 14 and the locking recess 13 is disengaged from the engagement projection 6 to open the lid 3. It is possible.

JP 2004-123140 A

  However, in the prior art described in the above-mentioned Patent Document 1, the tab 7 provided on the container body 2 side is configured such that both side portions of the operating piece 7c, which is the lower portion thereof, are separated from the flange portion 10 via the separating portions 11 and 11. Since the structure is connected to both ends, the operating piece 7c is first pulled strongly and disconnected from the flange portion 10 at the separating portion 11, and then only the operating piece 7c is rotated upward with the hinge portion 7a as a fulcrum. Therefore, there is a problem that it is difficult to remove the lid 3 easily.

In addition, the container body 2 needs to have a configuration including the flange portion 10 and the configuration is complicated because it is necessary to form the separation portions 11 and 11 in the flange portion 10.
There is also a problem that it is difficult to keep the manufacturing cost low.

  In order to solve the above-described problems in the prior art, the present invention enables the lid and the container main body to be easily released by opening them with a simple operation, and reduces the manufacturing cost with a simple configuration. An object is to create a container with a lid that can be kept low.

Among the means for solving the above problems, the main means of the present invention is as follows.
A tray-type container body in which a container-side flange is integrally provided outside the open end; and
A lid member for crown wear container body have a cover-side peripheral wall portion fitted to the outside of the open end, a tab provided on the corners of the lid, in container with a lid configured to have a There,
Between the lid and the tab, a connecting portion for connecting the base end portion of the lower end and the tab of the lid side wall portion, Rutotomoni disposed adjacent to the connecting portion, and a proximal end portion of the lower end and the tab of the lid side wall portion And a convex portion that protrudes into the gap from the tab toward the lid-side peripheral wall portion and is opposed to the lid-side peripheral wall portion via a clearance portion that is smaller in size than the gap. In addition, the connecting portion and the convex portion are placed on the container-side flange portion in a closed state where the lid body is attached to the container main body.

  In the main means of the present invention, when the tab is lifted upward while picking the tip of the tab with a finger, the tab rotates with the hinge portion (groove portion) as a fulcrum, and the convex portion kicks up the upper surface of the container side flange portion. Since the upward force is applied to the lid, it is possible to achieve release of the fitting between the opening end on the container body side and the lid-side peripheral wall.

  Another means of the present invention is that, in the main means of the present invention, the connecting portion is provided between the base end portion of the center of the tab and the lid, and gaps are arranged at both ends of the connecting portion, respectively. A configuration in which a convex portion protruding into the gap is formed at two end portions is added.

  In the above-described means, it is possible to push up the lid in a well-balanced manner by kicking up the upper surface of the container-side flange portion with two convex portions provided on both sides of the tab.

  Further, according to another means of the present invention, in the main means of the present invention, a connecting portion is provided between the two ends of the tab and the lid, and a gap is provided between one connecting portion and the other connecting portion. And a convex portion protruding into the gap is formed at the base end portion at the center of the tab.

  In the above means, since the convex portion for kicking up the upper surface of the container side flange portion is provided at one central portion of the tab, it is possible to achieve pushing up the lid with a large pushing force generated intensively.

  According to another means of the present invention, any one of the above means is added with a configuration in which a groove part constituting a hinge part is formed between the tab and the connecting part.

  With the above means, the tab can be smoothly rotated with the groove portion constituting the hinge portion as a fulcrum.

  In addition, another means of the present invention is obtained by adding a configuration in which the lid side peripheral wall portion fitted to the outer surface of the opening end portion of the container body is provided around the lid body to any one of the above means. It is.

  With the above-described means, it is possible to achieve a sealed state between the lid and the container body.

  According to another means of the present invention, a structure in which a lid side flange portion placed on the container side flange portion is provided around the lid body in addition to any of the above means.

  In the above means, the posture of the lid body that is attached to the container body can be made horizontal, and an improvement in the airtightness between the lid body and the container body can be achieved.

Since the present invention has the above-described configuration, the following effects can be obtained.
In the present invention, in the closed state, the fitting between the opening end portion on the container body side and the lid side peripheral wall portion is released simply by picking up the tip of the tab with a finger and lifting the lid body easily. Can do.

It is a top view which shows the container with a lid | cover as 1st Example of this invention. FIG. 2 is a half cross-sectional view showing a state of the lidded container of FIG. 1 as viewed from the side. It is a top view which expands and shows the principal part of 1st Example. It is a longitudinal cross-sectional view in the IV-IV line of FIG. FIG. 4 is a longitudinal sectional view taken along line VV in FIG. 3, where A is a closed state and B is a state where a tab is operated. It is a top view which expands and shows the principal part of 2nd Example of this invention. It is a longitudinal cross-sectional view in the VII-VII line of FIG. 6, A is a closed state and B is the state which operated the tab.

Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is a plan view showing a container with a lid as a first embodiment of the present invention, FIG. 2 is a half sectional view showing a state of the container with a lid of FIG. 1 viewed from the side, and FIG. FIG. 4 is a longitudinal sectional view taken along line IV-IV in FIG. 3, FIG. 5 is a longitudinal sectional view taken along line V-V in FIG. 3, A is a closed state, and B is The tab is being operated.

  A container 1 with a lid according to the present invention is a container for storing food such as butter, margarine, various kinds of jam, chocolate, etc., for example, a container body 10 and a lid made of a synthetic resin such as polypropylene and polyethylene. 20.

  The container body 10 is a tray type having a substantially rectangular shape in plan view, and includes an opening end portion 11, a container side step portion 12, a container side peripheral wall portion 13, and a bottom portion 14. A container-side flange portion 15 that protrudes horizontally is integrally provided.

The lid body 20 is formed in the same tray shape as the container body 10 and has a top wall portion 21, an upper wall portion 22, a lid side step portion 23, a lid side peripheral wall portion 24, a lid side flange portion 25, and a tab 26. Has been.
In the closed state in which the lid 20 is fitted to the container body 10, the lid side step portion 23 is placed on the upper end of the opening end portion 11, and the lid side flange portion 25 is placed on the container side flange portion 15. In addition, the lid-side peripheral wall 24 is fitted to the outside of the opening end 11 on the container body 10 side, whereby the sealed state of the lidded container 1 can be maintained.

  The tab 26 is provided at one corner of the four corners of the lid 20, and as shown in FIG. 3, a base 26 a and two oblique sides 26 b formed in a curved line shape along the lid-side peripheral wall 24. It is formed as a member having a substantially right isosceles triangle shape in plan view.

The tab 26 shown in the first embodiment is connected to the lower end of the lid-side peripheral wall portion 24 at the corner of the lid body 20 via a connecting portion 27 protruding from the base end portion 26A at the center of the base 26a. Both end portions other than the end portion 26A are opposed to each other via a gap 29a having a predetermined dimension d1 from the lid-side peripheral wall portion 24. And the convex part 26d which protrudes in the clearance gap 29a toward the cover side surrounding wall part 24 is formed in the two edge parts 26B adjacent to the clearance gap 29a, respectively. A clearance portion 29b having a dimension d2 (d2 <d1) smaller than the gap 29a is provided at a portion where the two convex portions 26d and the lid-side peripheral wall portion 24 face each other.
A groove portion 28a constituting a hinge portion 28 is formed between the base end portion 26A of the tab 26 and the connecting portion 27, and the tab 26 can be bent at the groove portion 28a.
Note that, in the closed state, the two convex portions 26 d and the connecting portion 27 are placed on the container-side flange portion 15 similarly to the lid-side flange portion 25.

  As shown in FIG. 4, in the closed state, when the tip of the tab 26 is lifted upward while grasping with a finger, the base end portion 26A of the tab 26 bends around the groove portion 28a constituting the hinge portion 28. The tab 26 can be rotated. At this time, as shown in FIGS. 5A and 5B, at the two end portions 26B at both ends of the tab 26, the tab 26 rotates with the hinge portion 28 (groove portion 28a) as a fulcrum, and the two convex portions 26d become the container side. The upper surface of the flange portion 15 is kicked up, and an upward force is applied to the lid body 20. Thereby, fitting with the opening end part 11 by the side of the container main body 10 and the lid side peripheral wall part 24 is cancelled | released, and the cover body 20 can be easily open | released from the opening end part 11 of the container main body 10. FIG.

In the container 1 with a lid shown in the first embodiment, since the two convex portions 26d for kicking the upper surface of the container-side flange portion 15 are provided on both sides of the tab 26, the lid 20 can be pushed up in a balanced manner. The lid 20 can be easily and reliably opened by a single operation of picking up the tip of the tab 26 with a finger and lifting it upward.
In addition, since the projections 26d can be formed on the two end portions 26B of the tab 26, the manufacturing cost can be reduced.

FIG. 6 is a plan view showing an enlarged main part of the second embodiment of the present invention, FIG. 7 is a longitudinal sectional view taken along the line VII-VII in FIG. 6, A is in a closed state, and B is operating a tab. State.
The container 1 with a lid shown in the second embodiment is different from the first embodiment in the configuration of the tab 26, and other configurations and effects are the same as those in the first embodiment. For this reason, the following description will mainly focus on differences from the first embodiment. The same members as those in the first embodiment will be described with the same reference numerals.

In the lidded container 1 shown in the second embodiment, the two end portions 26B, which are the base angles of the tabs 26 formed in a substantially right-angled isosceles triangle shape in plan view, are connected to the lid side of the lid body 20 via the connecting portions 27. Each of the peripheral wall portions 24 is connected to the central wall end portion 26 </ b> A, and a gap 29 a is adjacently disposed between the one connecting portion 27 and the other connecting portion 27. The central base end portion 26 </ b> A is formed with a convex portion 26 d that protrudes into the gap 29 a toward the lid-side peripheral wall portion 24. A clearance 29b having a dimension d2 (d2 <d1) smaller than the gap 29a is provided between the projection 26d and the lid-side peripheral wall 24.
Between the two end portions 26B of the tab 26 and the connecting portion 27, groove portions 28a constituting the hinge portion 28 are formed, and the tab 26 can be bent at the two groove portions 28a.
Note that, in the closed state, the convex portion 26 d and the two connecting portions 27 are placed on the container-side flange portion 15 similarly to the lid-side flange portion 25.

  When the tab 26 is lifted upward while picking the tip of the tab 26 with a finger in the closed state, the tab 26 bends around the groove portion 28a constituting the hinge portion 28 at the two end portions 26B, so that the tab 26 is rotated. be able to. At this time, as shown in FIGS. 7A and 7B, at the center of the tab 26, the tab 26 rotates and the convex portion 26 d kicks up the upper surface of the container-side flange portion 15 to apply an upward force to the lid 20. . Thereby, like the first embodiment, the fitting between the opening end 11 on the container body 10 side and the lid-side peripheral wall 24 is released, and the lid 20 is easily opened from the opening end 11 of the container body 10. be able to.

In the container 1 with a lid shown in the second embodiment, the convex portion 26d that kicks up the upper surface of the container-side flange portion 15 is provided at the center of the tab 26, so that the force that pushes up the lid 20 is concentratedly applied. The lid 20 can be easily and reliably opened with a large force by a single operation of picking up the tip of the tab 26 with a finger and lifting it upward.
In addition, the second embodiment can also have a simple configuration in which the convex portion 26d is formed on the base end portion 26A at the center of the tab 26, so that the manufacturing cost can be kept low.

As mentioned above, although the structure of this invention and its effect were demonstrated along the Example, embodiment of this invention is not limited to the said Example.
For example, in the above-described embodiment, the lidded container having a substantially rectangular shape in plan view is shown and described, but the present invention is not limited to the above-described embodiment, and for example, other shapes such as a circular shape in plan view and a substantially elliptical shape in plan view. A lidded container having the following shape may be used.

  Further, in the above-described embodiment, the shape of the tab having a substantially isosceles right triangle shape in plan view is shown and described. A lidded container made of other shapes such as the above shape may be used.

  The present invention can be used in a wider range of applications in the field of lidded containers that contain, for example, butter and margarine.

1: Container 10 with lid: Container body 11: Open end 12: Container side step part 13: Container side peripheral wall part 14: Bottom part 15: Container side flange part 20: Lid 21: Top wall part 22: Upper wall part 23 : Lid side step part 24: Lid side peripheral wall part 25: Lid side flange part 26: Tab 26A: Base end part 26B: End part 26a: Bottom side 26b: Oblique side 26d: Convex part 27: Connection part 28: Hinge part 28a: Groove part 29a: Clearance 29b: Clearance part

Claims (6)

A tray-type container body (10) in which a container-side flange portion (15) is integrally provided outside the open end portion ( 11) , and a lid-side peripheral wall portion that fits outside the open end portion ( 11). configured to include a lid that crown wear to the container body have a (24) (10) and (20), and a tab (26) provided in the corners of the lid (20) A container with a lid,
Between the lid (20) and the tab (26), a connecting portion (27) connected to a lower end of the lid-side peripheral wall portion (24) and a base end portion (26A) of the tab (26), Rutotomoni disposed adjacent to the connecting portion (27), and the gap formed between the lower end and the base end of the tab (26) of said cover side wall portion (24) (26A) (29a), the The clearance part which protrudes in the said clearance gap (29a) toward the said lid side surrounding wall part (24 ) from a tab (26), and has a dimension smaller than the said clearance gap (29a) between the said lid side surrounding wall part (24). (29b) and a convex portion (26d) opposed to each other , and the connecting portion (27) in the closed state in which the lid (20) is attached to the container body (10). ) and the convex portion (26 d) has not been placed on the container side flanges (15) on Lidded container, characterized in that.   A connecting portion (27) is provided between the base end portion (26A) at the center of the tab (26) and the lid (20), and a gap (29a) is disposed at each end of the connecting portion (27). The container with a lid according to claim 1, wherein convex portions (26d) projecting into the gap (29a) are formed at the two end portions (26B) of the tab (26).   A connecting part (27) is provided between the two ends (26B) of the tab (26) and the lid (20), respectively, and a gap (29a) is formed between one connecting part (27) and the other connecting part ( 27) and a protrusion (26d) protruding into the gap (29a) is formed at the base end (26A) at the center of the tab (26). container.   The container with a lid according to any one of claims 1 to 3, wherein a groove (28a) constituting a hinge portion (28) is formed between the tab (26) and the connecting portion (27).   The lid (20) is provided with a lid-side peripheral wall (24) that fits around the outer surface of the open end (11) of the container body (10). Container with lid.   The container with a lid according to any one of claims 1 to 5, wherein a lid-side flange portion (25) placed on the container-side flange portion (15) is provided around the lid body (20).

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